Foreign registration ratings · Washington
2 Best Foreign Registration Services in Washington (2026)
1. WA Registered Agent.org: best for adding Washington and nothing else
$199 for the service, plus state fees, then $99 a year for the agent
WA Registered Agent.org is rated first: $199 plus the state fee, year-one registered agent service included, then $99 a year for the agent.
The plan lists an in-state street address as the registered office and scans papers served there into your account.
Its three-year sum is under Mainstay Filing's, which scores well on cost.
What you get
- Registration prepared and filed
- A year of registered agent service at the start
Pros
- First-year registered agent service is included
- $99 per year to keep the agent
- $199 to register, state fee on top
Trade-offs
- Washington only; your home state needs its own agent
- EIN application billed at $99
2. Mainstay Filing: best for companies registered in more than one state
$199 plus the state fee, then the agent at $149 a year after year one
Mainstay Filing is rated second: $199 on top of the state's fee, with year one as registered agent free and the same amount in every state.
Year one of agent service costs nothing, and afterward the agent is $149 a year in whichever state.
WA Registered Agent.org is $100 cheaper on the three-year sum, and that lowers Mainstay Filing's cost rating.
What you get
- Registration documents prepared and filed
- Year one as your registered agent, no charge
- Same-business-day scan and upload for any service of process, no fee
Pros
- $199 service fee, state fee separate
- Registered agent, no charge in year one
- The same amount in all fifty states
- Same-business-day scans of service of process, no fee
Trade-offs
- Agent renewal of $149 is $50 over WA Registered Agent.org
The 2 ratings summarized
| Line | Service | Rating | Service fee | Year two | Best for | Open |
|---|---|---|---|---|---|---|
| 1 | WA Registered Agent.org | 9.5 | $199 | $99/yr | The lowest agent renewal we rank here | Visit WA Registered Agent.orgPartner link. We may earn money if you buy. |
| 2 | Mainstay Filing | 9.0 | $199 | $149/yr | Companies that register in several states | Visit Mainstay FilingPartner link. We may earn money if you buy. |
Washington foreign registration service amounts for 2026: year one, renewal and three-year sum
| Service | Year one | Year two | Year three | Three-year sum | Agent paid for year one |
|---|---|---|---|---|---|
| WA Registered Agent.org | $199 | $99 | $99 | $397 | Included |
| Mainstay Filing | $199 | $149 | $149 | $497 | Free |
How the lines were rated
Weights: 27% cost over years one to three, 27% inclusions per price, 46% shared by renewal price and terms, fit with state rules and price clarity. Cost over years one to three decided Washington.
WA Registered Agent.org sums to $397 across three years, $100 below Mainstay Filing. Both services include year one of agent service, so the renewal amount decided the order.
Each criterion and its weight is listed on How we rank.
Washington foreign LLC registration: amount, form and office
A company from another state registers by lodging the Foreign Registration Statement with the Washington Secretary of State, Corporations & Charities Division; the state amount is $180. Washington also needs certificate of existence (good standing) or similar document, issued inside 60 days of the filing.
Registration adds one recurring line: the annual report ($70), due last day of your registration month.
Have these ready
- Certificate of existence (good standing) or similar document, issued within 60 days before the filing.
- Home-state legal name, spelled exactly, and the formation date.
- An in-state registered agent; every service rated here can fill the role.
- $180 to the state, paid with the filing.
- The date of the annual report and its $70 fee on your calendar.
Washington foreign registration service: your questions
Is registration compulsory for an outside LLC doing business in Washington?
Yes, once it does business there.
What are the costs of foreign registration in Washington?
$180 to the state plus $199 to the service.
Must the filing include a home-state certificate for Washington?
Yes: certificate of existence (good standing) or similar document, with an issue date within 60 days.
Must a registered agent stay on file after registering?
Yes. A registered agent with a street address in the state stays on record.
Which foreign registration services are rated on this page?
WA Registered Agent.org ($199) and Mainstay Filing ($199), highest rated first.
Which foreign registration service holds the top rating in Washington?
WA Registered Agent.org, as the Washington registration at $199, first agent year included, then $99 yearly.
Source lines
- Washington Secretary of State, Corporations & Charities Division (ledger date August 2026)
- Washington Secretary of State, Corporations & Charities Division (ledger date August 2026)
- Washington yearly filing: Annual report, official source (ledger date October 2026)
- Washington report due date (ledger date August 2026)
- Washington formation fee: Filing fee, official source (ledger date October 2026)
- Washington formation fee: Filing fee, official source (ledger date October 2026)
- Washington registered agent statute (ledger date October 2026)
- Washington SOS, register a foreign LLC online (ledger date October 2026)
- Washington SOS, fee schedules and priority services (ledger date October 2026)
- RCW 23.95.520, activities that are not doing business (ledger date October 2026)
- RCW 23.95.505, consequences of not registering (ledger date October 2026)
- RCW 23.95.510, foreign registration statement (ledger date October 2026)
- Washington SOS, registered agents (ledger date October 2026)
- WA Registered Agent.org, pricing and service pages: amounts read November 12, 2026
- Mainstay Filing, Washington service page: amounts read November 12, 2026